Electron-microscopic investigation of the thymus of adult frog (Rana esculenta).
D000818:Animals; D001001:Anura / Q000033:anatomy & histology*; D008208:Lymphatic System / Q000254:growth & development; D008854:Microscopy, Electron; D010950:Plasma Cells; D013950:Thymus Gland / Q000033:anatomy & histology* / Q000166:cytology / Q000254:growth & development